The washing machine series MEDUSA is a combination of practical ness, strong ness and high performances. The working principle is by internal and external jets, the working cycle is divided in different sectors using hot and cold water mixed with detergent. Water circulation is operated by electro pumps. Hot water is recycled through suitable tanks, cold water is rain to drain. In the version with 180 places the rinsing hot water is recycled into the pre-washing section. the movement of the bottles under the different sections is completely automatic. The bottles are hold by suitable stainless steel rings and plastic bottle holders. In case of demijohns and water dispenser the rings are galvanized. The machine can be supplied with heat feeder suitable for any kind of heating system. Suitable filters are foreseen before pumps to collect impurities. The machine is complete with thermometers to control the temperature and manometers to control the pressure.